The WRA said it had not authorised the demolitions of Java House in Kileleshwa and Southend Mall.

Nema officials had claimed that the demolitions were sanctioned under the Nairobi Regeneration Project.

The House committee demanded that those who had authorised the construction of the buildings be investigated and prosecuted.

“The Directorate of Criminal Investigations (DCI) and the Office of the Director of Public Prosecutions (ODPP) should investigate and prosecute the officials found culpable,” said Kareke Mbiuki, the chairman of the committee.

Director of Public Prosecutions Noordin Haji has ordered an investigation into public officials who gave approvals for the constructions.

Citing the ongoing demolition of buildings, Mr Haji said that, in consultation with Environment Cabinet Secretary Keriako Tobiko, he had directed the Director of Public Investigations (DCI) to open up a probe.

The investigation will seek to establish the circumstances, procedures and persons who irregularly and/or illegally issued the approvals for the construction of any buildings on riparian land.